SPARC NCG: Add a comment explaining why we can't used a pinned reg for gct Can't use windowed regs because the window moves during a function call. Can't use the global regs because they're reserved for other purposes.
SPARC NCG: Add a comment explaining why we can't used a pinned reg for gct
Can't use windowed regs because the window moves during a function
call. Can't use the global regs because they're reserved for other purposes.

wxwxwwxxx/ghc,snoyberg/ghc,siddhanathan/ghc,olsner/ghc,TomMD/ghc,bitemyapp/ghc,jstolarek/ghc,mcschroeder/ghc,ghc-android/ghc,acowley/ghc,nushio3/ghc,ryantm/ghc,nkaretnikov/ghc,nomeata/ghc,bitemyapp/ghc,ezyang/ghc,nushio3/ghc,vikraman/ghc,hferreiro/replay,urbanslug/ghc,tibbe/ghc,mcmaniac/ghc,holzensp/ghc,acowley/ghc,green-haskell/ghc,fmthoma/ghc,TomMD/ghc,GaloisInc/halvm-ghc,oldmanmike/ghc,TomMD/ghc,hferreiro/replay,wxwxwwxxx/ghc,fmthoma/ghc,nathyong/microghc-ghc,tibbe/ghc,ghc-android/ghc,vTurbine/ghc,snoyberg/ghc,gridaphobe/ghc,sgillespie/ghc,ezyang/ghc,urbanslug/ghc,ghc-android/ghc,green-haskell/ghc,frantisekfarka/ghc-dsi,tjakway/ghcjvm,nkaretnikov/ghc,da-x/ghc,sdiehl/ghc,siddhanathan/ghc,ilyasergey/GHC-XAppFix,AlexanderPankiv/ghc,ryantm/ghc,TomMD/ghc,mfine/ghc,TomMD/ghc,da-x/ghc,ekmett/ghc,snoyberg/ghc,lukexi/ghc-7.8-arm64,gcampax/ghc,TomMD/ghc,jstolarek/ghc,mcschroeder/ghc,lukexi/ghc,ml9951/ghc,oldmanmike/ghc,siddhanathan/ghc,shlevy/ghc,nushio3/ghc,gridaphobe/ghc,anton-dessiatov/ghc,ghc-android/ghc,gridaphobe/ghc,jstolarek/ghc,oldmanmike/ghc,AlexanderPankiv/ghc,tjakway/ghcjvm,jstolarek/ghc,forked-upstream-packages-for-ghcjs/ghc,oldmanmike/ghc,sgillespie/ghc,ezyang/ghc,mfine/ghc,gridaphobe/ghc,spacekitteh/smcghc,vikraman/ghc,mcmaniac/ghc,nushio3/ghc,tjakway/ghcjvm,nomeata/ghc,da-x/ghc,hferreiro/replay,mfine/ghc,sdiehl/ghc,tibbe/ghc,wxwxwwxxx/ghc,ezyang/ghc,sdiehl/ghc,da-x/ghc,christiaanb/ghc,acowley/ghc,mcschroeder/ghc,tibbe/ghc,lukexi/ghc-7.8-arm64,lukexi/ghc,forked-upstream-packages-for-ghcjs/ghc,ekmett/ghc,sgillespie/ghc,urbanslug/ghc,acowley/ghc,bitemyapp/ghc,mcmaniac/ghc,ml9951/ghc,tjakway/ghcjvm,mettekou/ghc,AlexanderPankiv/ghc,green-haskell/ghc,spacekitteh/smcghc,ilyasergey/GHC-XAppFix,fmthoma/ghc,frantisekfarka/ghc-dsi,urbanslug/ghc,holzensp/ghc,shlevy/ghc,olsner/ghc,holzensp/ghc,tjakway/ghcjvm,vikraman/ghc,christiaanb/ghc,forked-upstream-packages-for-ghcjs/ghc,acowley/ghc,GaloisInc/halvm-ghc,christiaanb/ghc,gcampax/ghc,ezyang/ghc,mettekou/ghc,elieux/ghc,nathyong/microghc-ghc,wxwxwwxxx/ghc,mfine/ghc,hferreiro/replay,oldmanmike/ghc,jstolarek/ghc,vTurbine/ghc,ryantm/ghc,da-x/ghc,holzensp/ghc,ml9951/ghc,lukexi/ghc-7.8-arm64,gcampax/ghc,anton-dessiatov/ghc,anton-dessiatov/ghc,nkaretnikov/ghc,gcampax/ghc,GaloisInc/halvm-ghc,christiaanb/ghc,siddhanathan/ghc,acowley/ghc,mcschroeder/ghc,da-x/ghc,gcampax/ghc,vikraman/ghc,AlexanderPankiv/ghc,snoyberg/ghc,ghc-android/ghc,siddhanathan/ghc,hferreiro/replay,oldmanmike/ghc,elieux/ghc,anton-dessiatov/ghc,anton-dessiatov/ghc,nathyong/microghc-ghc,fmthoma/ghc,spacekitteh/smcghc,ml9951/ghc,sgillespie/ghc,mcmaniac/ghc,spacekitteh/smcghc,mcschroeder/ghc,GaloisInc/halvm-ghc,vTurbine/ghc,GaloisInc/halvm-ghc,hferreiro/replay,olsner/ghc,nathyong/microghc-ghc,bitemyapp/ghc,nushio3/ghc,wxwxwwxxx/ghc,GaloisInc/halvm-ghc,fmthoma/ghc,elieux/ghc,ml9951/ghc,nkaretnikov/ghc,nomeata/ghc,urbanslug/ghc,forked-upstream-packages-for-ghcjs/ghc,ml9951/ghc,anton-dessiatov/ghc,nkaretnikov/ghc,snoyberg/ghc,tjakway/ghcjvm,shlevy/ghc,elieux/ghc,sgillespie/ghc,siddhanathan/ghc,AlexanderPankiv/ghc,ghc-android/ghc,nathyong/microghc-ghc,sdiehl/ghc,gridaphobe/ghc,forked-upstream-packages-for-ghcjs/ghc,lukexi/ghc,mettekou/ghc,mettekou/ghc,lukexi/ghc,shlevy/ghc,frantisekfarka/ghc-dsi,anton-dessiatov/ghc,green-haskell/ghc,nkaretnikov/ghc,shlevy/ghc,olsner/ghc,forked-upstream-packages-for-ghcjs/ghc,nomeata/ghc,mettekou/ghc,acowley/ghc,gcampax/ghc,vikraman/ghc,nushio3/ghc,lukexi/ghc,AlexanderPankiv/ghc,ekmett/ghc,shlevy/ghc,sdiehl/ghc,siddhanathan/ghc,snoyberg/ghc,urbanslug/ghc,nomeata/ghc,green-haskell/ghc,ryantm/ghc,forked-upstream-packages-for-ghcjs/ghc,snoyberg/ghc,tibbe/ghc,mcmaniac/ghc,nkaretnikov/ghc,sdiehl/ghc,ilyasergey/GHC-XAppFix,vTurbine/ghc,shlevy/ghc,vikraman/ghc,vikraman/ghc,ezyang/ghc,olsner/ghc,urbanslug/ghc,sgillespie/ghc,ml9951/ghc,christiaanb/ghc,GaloisInc/halvm-ghc,ghc-android/ghc,gridaphobe/ghc,olsner/ghc,sdiehl/ghc,olsner/ghc,wxwxwwxxx/ghc,da-x/ghc,bitemyapp/ghc,gcampax/ghc,holzensp/ghc,lukexi/ghc-7.8-arm64,nathyong/microghc-ghc,mettekou/ghc,mcschroeder/ghc,ekmett/ghc,elieux/ghc,lukexi/ghc-7.8-arm64,nathyong/microghc-ghc,fmthoma/ghc,frantisekfarka/ghc-dsi,wxwxwwxxx/ghc,vTurbine/ghc,christiaanb/ghc,vTurbine/ghc,hferreiro/replay,oldmanmike/ghc,ekmett/ghc,gridaphobe/ghc,christiaanb/ghc,tjakway/ghcjvm,ezyang/ghc,mfine/ghc,sgillespie/ghc,mfine/ghc,nushio3/ghc,ilyasergey/GHC-XAppFix,vTurbine/ghc,frantisekfarka/ghc-dsi,ml9951/ghc,mettekou/ghc,mcschroeder/ghc,TomMD/ghc,elieux/ghc,mfine/ghc,AlexanderPankiv/ghc,spacekitteh/smcghc,ryantm/ghc,elieux/ghc,fmthoma/ghc